Deutsch term (edited): �bersetzprofile

Since they are riveted to the floor, I think they must be what we would call treads; if you pass from one railway carriage to another you will normally pass through these "bellows", which older vehicles have like a concertina; on newer ones they are often rubber. Their floors usually have treads, riveted at one end (or if they are circular, in the centre) to allow flexibility between the two coaches when going round bends. Since this is an LRV, I fancy a tramway vehicle specification is likely to be what you are translating?